Inventor · disambiguated record
Ken-Ichi Itoh
Also filed as: ITOH KEN · ITOH KEN-ICHI
19 granted patents·13 pending applications·329 citations·filing 1975–2021
95Inventor score
Top patents by PatentIndex Score
32 records- 0196US4746569ALongitudinal magnetic coated recording mediumFUJITSU LTD·Filed 1986·Granted May 24, 1988·109 cites·10 claims
- 0291US4947372AOptical information memory medium for recording and erasing informationFUJITSU LTD·Filed 1989·Granted Aug 7, 1990·35 cites·8 claims
- 0384US5144601AMagneto-optical overwriting methods using erasing pulses, each of which has a higher frequency and narrower width than that of the overwriting pulsesFUJITSU LTD·Filed 1991·Granted Sep 1, 1992·39 cites·10 claims
- 0481US7112377B2Magnetic recording medium, method of manufacturing the same, magnetic medium substrate employed in the magnetic recording medium, and magnetic storage unitFUJITSU LTD·Filed 2005·Granted Sep 26, 2006·5 cites·12 claims
- 0581US6879107B2Plasma display panel and fabrication method of the sameNEC CORP·Filed 2002·Granted Apr 12, 2005·18 cites·4 claims
- 0676US5353265AMagneto optical overwriting methods using a single optical head designed for a two-beam overwriteFUJITSU LTD·Filed 1990·Granted Oct 4, 1994·26 cites·10 claims
- 0775US4534821ASingle crystal growing of rare earth-gallium garnetSHINETSU CHEMICAL CO·Filed 1983·Granted Aug 13, 1985·20 cites·4 claims
- 0871US7576220B2Method of producing 1,2,4-oxadiazole derivativesRIKKYO GAKUIN·Filed 2006·Granted Aug 18, 2009·1 cites·8 claims
- 0966US5058061AMethod for recording information in an optical information memory medium including indium (in) and antimony (sb)FUJITSU LTD·Filed 1989·Granted Oct 15, 1991·10 cites·5 claims
- 1061US6650677B1Up-conversion laserTOSHIBA KK·Filed 2000·Granted Nov 18, 2003·6 cites·12 claims
- 1161US5072423AOptical information memory medium recording and erasing information including gallium and antimonyFUJITSU LTD·Filed 1991·Granted Dec 10, 1991·9 cites·4 claims
- 1259US2008145522A1Nanoholes and production thereof, stamper and production thereof, magnetic recording media and production thereof, and, magnetic recording apparatus and methodFUJISTU LTD·Filed 2007·Application pending·0 cites
- 1357US2023395221A1Health improvement path search device and health improvement path search methodKYOWA HAKKO BIO CO LTD·Filed 2021·Application pending·0 cites
- 1455US5138572AOptical information memory medium including indium (In) and bismuth (Bi)FUJITSU LTD·Filed 1991·Granted Aug 11, 1992·12 cites·4 claims
- 1553US2005249980A1Nanoholes and production thereof, stamper and production thereof, magnetic recording media and production thereof, and, magnetic recording apparatus and methodKANAGAWA KAGAKU GIJUTSU AKAD·Filed 2005·Application pending·0 cites
- 1653US2009218718A1Manufacturing method for a moldFUJITSU LTD·Filed 2009·Application pending·0 cites
- 1752US2009147405A1Method for manufacturing magnetic recording medium, magnetic recording medium manufactured by the same, and magnetic recording apparatus incorporating the magnetic recording mediumFUJITSU LTD·Filed 2008·Application pending·0 cites
- 1852US2009045550A1Transcription mold fixation apparatus and substrate removing methodFUJITSU LTD·Filed 2008·Application pending·0 cites
- 1952US2008292805A1Method for manufacturing stamper, method for manufacturing nanohole structure, and method for manufacturing magnetic recording mediumFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2050US2008160190A1Method of fabricating nano structure, method of manufacturing magnetic disc, method of forming stamper, and method of generating base bodyFUJITSU LTD·Filed 2007·Application pending·0 cites
- 2148US2009127224A1Method of producing a nano-structure and method of producing a magnetic recording mediumFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2247US7397627B2Method of detecting position of head for recording mediumFUJITSU LTD·Filed 2005·Granted Jul 8, 2008·0 cites·11 claims
- 2345US2008220290A1Magnetic recording medium and manufacturing method for the sameFUJITSU LTD·Filed 2007·Application pending·0 cites
- 2443US5526270AApparatus for removing off-set from measured quantityNISSAN MOTOR·Filed 1994·Granted Jun 11, 1996·14 cites·12 claims
- 2543US2006061900A1Magnetic recording medium, magnetic storage device, and fabricating method thereofFUJITSU LTD·Filed 2004·Application pending·0 cites
- 2641US3944975ASignal checking systemHITACHI LTD·Filed 1975·Granted Mar 16, 1976·8 cites·6 claims
- 2741US2007237705A1Carbon nanotube chain and production process for the same, target detector, and target detection methodKANAGAWA KAGAKU GIJUTSU AKAD·Filed 2007·Application pending·0 cites
- 2840US7495107B2Method for manufacturing isoxazole derivative or dihydroisoxazole derivativeRIKKYO GAKUIN·Filed 2005·Granted Feb 24, 2009·0 cites·4 claims
- 2939US2006204794A1Laminate structure, magnetic recording medium and method for producing the same, magnetic recording device, magnetic recording method, and element with the laminate structureKANAGAWA KAGAKU GIJUTSU AKAD·Filed 2005·Application pending·0 cites
- 3035US5583385APower converting device for reducing an induction problemHITACHI LTD·Filed 1994·Granted Dec 10, 1996·11 cites·5 claims
- 3127US5615057AImage record/playback apparatus including a photographing device and a connectable playback deviceTOSHIBA KK·Filed 1996·Granted Mar 25, 1997·3 cites·10 claims
- 3224US4622664AChannel control system for loop type signal transmission channelJAPAN NATIONAL RAILWAY·Filed 1984·Granted Nov 11, 1986·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →